OpenTechnical

OT-2026-000014290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000014290) never changes.

Identity and time

Publication numberOT-2026-000014290 · never reused
Internal UUID01a0ae6d-b279-752a-b763-53f5eb6743cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014290
StatusPUBLIC

Content hashes

Canonical textfdf33f6bc2989ce233d6ee8eba84f70341d59d6b29da9af15e0f08c6400fbc75
Markdown16425dd8348674210a3816b7bfbf9ca556d0bbfa6b64de11929fd21156faec1f
PDF
Publication page8605142b96790e1b9ea8c3a1a398c773b848cac4d61fab62b9d57ada40f967ef
Manifest9a4f05f6592df74b82f7ffa136942c721049a27f8e0e666bf4253b9576547e73

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureOB2RcfCXQmTZ+3LxYfUXrKLAFK0aBrmgmTDy759CzsXxXZrvzzFqwmjtAv0yqHeyVU6uRKbfmBu0anG+xedTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:30.535091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014290
observed 8605142b96790e1b9ea8c3a1a398c773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.515472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014290/manifest.json
observed 9a4f05f6592df74b82f7ffa136942c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.495136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014290/publication.md
observed 16425dd8348674210a3816b7bfbf9ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.474585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014290/publication.txt
observed fdf33f6bc2989ce233d6ee8eba84f703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.